javascript实现网页加密.txt

Javascript实现网页加密

document.write(strAskPass);
}

var STR =
{
hexcase : 0, /* hex output format. 0 - lowercase; 1 - uppercase     */
b64pad : "", /* base-64 pad character. "=" for strict RFC compliance   */
chrsz   : 8, /* bits per input character. 8 - ASCII; 16 - Unicode     */

b64_hmac_md5:
function(key, data) { return binl2b64(core_hmac_md5(key, data)); },

b64_md5:
function(s){ return binl2b64(core_md5(str2binl(s), s.length * this.chrsz));},

binl2b64:
function(binarray){
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
            | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
            | ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
    if(i * 8 + j * 6 > binarray.length * 32) str += this.b64pad;
    else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
},

binl2hex:
function(binarray){
  var hex_tab = this.hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
        hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
  }
  return str;
},

binl2str:
function(bin){
  var str = "";
  var mask = (1 << this.chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += this.chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
},

bit_rol:
function(num, cnt){return (num << cnt) | (num >>> (32 - cnt));},

core_hmac_md5:
function(key, data){
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(bkey, key.length * this.chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad = bkey ^ 0x36363636;
    opad = bkey ^ 0x5C5C5C5C;
  }

  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * this.chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
},

core_md5:
function(x, len){
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a = 1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d = 271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = this.md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = this.md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = this.md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
    b = this.md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = this.md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = this.md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
    c = this.md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = this.md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = this.md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
    d = this.md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = this.md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = this.md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = this.md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
    d = this.md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = this.md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = this.md5_ff(b, c, d, a, x[i+15], 22, 1236535329);

    a = this.md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = this.md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = this.md5_gg(c, d, a, b, x[i+11], 14, 643717713);
    b = this.md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = this.md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = this.md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
    c = this.md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = this.md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = this.md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
    d = this.md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = this.md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = this.md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
    a = this.md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = this.md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = this.md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
    b = this.md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = this.md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = this.md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = this.md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
    b = this.md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = this.md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = this.md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
    c = this.md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = this.md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = this.md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
    d = this.md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = this.md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = this.md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
    a = this.md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = this.md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = this.md5_hh(c, d, a, b, x[i+15], 16, 530742520);
    b = this.md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = this.md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = this.md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
    c = this.md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = this.md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = this.md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
    d = this.md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = this.md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = this.md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = this.md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
    d = this.md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = this.md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = this.md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
    a = this.md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = this.md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = this.md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
    b = this.md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = this.safe_add(a, olda);
    b = this.safe_add(b, oldb);
    c = this.safe_add(c, oldc);
    d = this.safe_add(d, oldd);
  }
  return Array(a, b, c, d);
},

hex_hmac_md5:function(key, data){ return this.binl2hex(this.core_hmac_md5(key, data)); },

hex_md5:function(s){return this.binl2hex(this.core_md5(this.str2binl(s), s.length * this.chrsz));},

md5:function(s){return(this.hex_md5(s));},

md5_cmn:function(q, a, b, x, s, t){return this.safe_add(this.bit_rol(this.safe_add(this.safe_add(a, q), this.safe_add(x, t)), s),b);},

md5_ff:function(a, b, c, d, x, s, t){return this.md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);},

md5_gg:function(a, b, c, d, x, s, t){return this.md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);},

md5_hh:function(a, b, c, d, x, s, t){return this.md5_cmn(b ^ c ^ d, a, b, x, s, t);},

md5_ii:function(a, b, c, d, x, s, t){return this.md5_cmn(c ^ (b | (~d)), a, b, x, s, t);},

md5_vm_test:function(){return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";},

safe_add:
function(x, y){
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
},

str2binl:
function(str){
  var bin = Array();
  var mask = (1 << this.chrsz) - 1;
  for(var i = 0; i < str.length * this.chrsz; i += this.chrsz)
    bin[i>>5] |= (str.charCodeAt(i / this.chrsz) & mask) << (i%32);
  return bin;
},

str_hmac_md5:function(key, data){ return binl2str(core_hmac_md5(key, data)); },

str_md5:function(s){ return binl2str(core_md5(str2binl(s), s.length * this.chrsz));}
}
</script>
</head>
<body>
<b>Source:</b><br>
<textarea id=t1></textarea><br>
<b>Password:</b><input type=password value=default id=p1><input type=button onclick="webEncode();" value="Start Encode"><br>
<b>Encoded:</b><br>
<textarea id=t2></textarea><br>
<input type=button onclick="runCode();" value="Run Code">
</body>
</html>